| LL21 0PE information | |
|---|---|
| Postcode | LL21 0PE |
| Outward code | LL21 |
| Place | Maerdy |
| Name | Place | Postcode |
|---|---|---|
| Fachddeiliog, Maerdy | Maerdy | LL21 0PE |
| Gaer Gerrig, Maerdy | Maerdy | LL21 0PE |
| Llwyn Dedwydd, Maerdy | Maerdy | LL21 0PE |
| Llwyn Saint, Maerdy | Maerdy | LL21 0PE |
| Pen y Bont, Maerdy | Maerdy | LL21 0PE |
| Pen y Fed, Maerdy | Maerdy | LL21 0PE |
| Tai Uchaf, Maerdy | Maerdy | LL21 0PE |
| Ty Nant Llwyn, Maerdy | Maerdy | LL21 0PE |
| Ysgubor Bedrwyn, Maerdy | Maerdy | LL21 0PE |